<template>
  <div class="page">
    <pw-section class="cyan" label="Theme">
      <ul>
        <li>
          <h3 class="title">Background</h3>
          <div class="backgrounds">
            <span :key="theme.class" @click="applyTheme(theme.class)" v-for="theme in themes">
              <swatch :active="settings.THEME_CLASS === theme.class" :class="{ vibrant: theme.vibrant }" :color="theme.color" :name="theme.name"></swatch>
            </span>
          </div>
        </li>
      </ul>
      <ul>
        <li>
          <h3 class="title">Color</h3>
          <div class="colors">
            <span :key="entry.color" @click.prevent="setActiveColor(entry.color, entry.vibrant)" v-for="entry in colors">
              <swatch :active="settings.THEME_COLOR === entry.color.toUpperCase()" :class="{ vibrant: entry.vibrant }" :color="entry.color" :name="entry.name" />
            </span>
          </div>
        </li>
      </ul>
      <ul>
        <li>
          <h3 class="title">Frames</h3>
          <span>
            <pw-toggle :on="!settings.DISABLE_FRAME_COLORS" @change="toggleSetting('DISABLE_FRAME_COLORS')">
              Multi-color {{ settings.DISABLE_FRAME_COLORS ? "Disabled" : "Enabled" }}
            </pw-toggle>
          </span>
        </li>
      </ul>
    </pw-section>

    <!--
		PROXY SETTINGS
		--------------
		This feature is currently not finished.

		<pw-section class="blue" label="Proxy">
			<ul>
				<li>
					<pw-toggle :on="settings.PROXY_ENABLED" @change="toggleSetting('PROXY_ENABLED')">
						Proxy {{ settings.PROXY_ENABLED ? "enabled" : "disabled" }}
					</pw-toggle>
				</li>
			</ul>

			<ul>
				<li>
					<label for="url">URL</label>
					<input id="url" type="url" v-model="settings.PROXY_URL" :disabled="!settings.PROXY_ENABLED">
				</li>
				<li>
					<label for="key">Key</label>
					<input id="key" type="password" v-model="settings.PROXY_KEY" :disabled="!settings.PROXY_ENABLED" @change="applySetting('PROXY_KEY', $event)">
				</li>
			</ul>
		</pw-section>
		-->
  </div>
</template>
<script>
  import section from "../components/section";
  import swatch from "../components/settings/swatch";
  import toggle from "../components/toggle";

  export default {
    components: {
      'pw-section': section,
      'pw-toggle': toggle,
      'swatch': swatch
    },

    data() {
      return {
        // NOTE:: You need to first set the CSS for your theme in /assets/css/themes.scss
        //        You should copy the existing light theme as a template and then just
        //        set the relevant values.
        themes: [
          {
            "color": "rgb(37, 38, 40)",
            "name": "Kinda Dark",
            "class": ""
          },
          {
            "color": "#ffffff",
            "name": "Clearly White",
            "vibrant": true,
            "class": "light"
          },
          {
            "color": "#000000",
            "name": "Just Black",
            "class": "black"
          },
          {
            "color": "var(--bg-color)",
            "name": "Auto (system)",
            "vibrant": window.matchMedia('(prefers-color-scheme: light)').matches,
            "class": "auto"
          }
        ],
        // You can define a new color here! It will simply store the color value.
        colors: [
          // If the color is vibrant, black is used as the active foreground color.
          {
            "color": "#50fa7b",
            "name": "Green",
            "vibrant": true
          },
          {
            "color": "#f1fa8c",
            "name": "Yellow",
            "vibrant": true
          },
          {
            "color": "#ff79c6",
            "name": "Pink",
            "vibrant": true
          },
          {
            "color": "#ff5555",
            "name": "Red",
            "vibrant": false
          },
          {
            "color": "#bd93f9",
            "name": "Purple",
            "vibrant": true
          },
          {
            "color": "#ffb86c",
            "name": "Orange",
            "vibrant": true
          },
          {
            "color": "#8be9fd",
            "name": "Cyan",
            "vibrant": true
          },
          {
            "color": "#57b5f9",
            "name": "Blue",
            "vibrant": false
          },
        ],

        settings: {
          THEME_CLASS: this.$store.state.postwoman.settings.THEME_CLASS || '',
          THEME_COLOR: '',
          THEME_COLOR_VIBRANT: true,

          DISABLE_FRAME_COLORS: this.$store.state.postwoman.settings.DISABLE_FRAME_COLORS || false,
          PROXY_ENABLED: this.$store.state.postwoman.settings.PROXY_ENABLED || false,
          PROXY_URL: this.$store.state.postwoman.settings.PROXY_URL || '',
          PROXY_KEY: this.$store.state.postwoman.settings.PROXY_KEY || ''
        }
      }
    },

    watch: {
      proxySettings: {
        deep: true,
        handler(value) {
          this.applySetting('PROXY_URL', value.url);
          this.applySetting('PROXY_KEY', value.key);
        }
      }
    },

    methods: {
      applyTheme(name) {
        this.applySetting('THEME_CLASS', name);
        document.documentElement.className = name;
        let imgGitHub = document.getElementById("imgGitHub");
        imgGitHub.style['filter'] = "";
        imgGitHub.style['webkit-filter'] = "invert(100%)";
        if (name.includes("light")) {
          imgGitHub.style['filter'] = "invert(100%)";
          imgGitHub.style['webkit-filter'] = "invert(100%)";
        }
      },
      setActiveColor(color, vibrant) {
        // By default, the color is vibrant.
        if (vibrant == null) vibrant = true;
        document.documentElement.style.setProperty('--ac-color', color);
        document.documentElement.style.setProperty('--act-color', vibrant ? 'rgb(37, 38, 40)' : '#f8f8f2');
        this.applySetting('THEME_COLOR', color.toUpperCase());
        this.applySetting('THEME_COLOR_VIBRANT', vibrant);
      },
      getActiveColor() {
        // This strips extra spaces and # signs from the strings.
        const strip = (str) => str.replace(/#/g, '').replace(/ /g, '');
        return `#${strip(window.getComputedStyle(document.documentElement).getPropertyValue('--ac-color')).toUpperCase()}`;
      },
      applySetting(key, value) {
        this.settings[key] = value;
        this.$store.commit('postwoman/applySetting', [key, value]);
      },
      toggleSetting(key) {
        this.settings[key] = !this.settings[key];
        this.$store.commit('postwoman/applySetting', [key, this.settings[key]]);
      }
    },
    beforeMount() {
      this.settings.THEME_COLOR = this.getActiveColor();
    },

    computed: {
      proxySettings() {
        return {
          url: this.settings.PROXY_URL,
          key: this.settings.PROXY_KEY
        }
      }
    }
  }

</script>
